Network Programming Tutorial

Welcome to our tutorial on network programming! This guide will cover the basics of network programming, including protocols, sockets, and practical examples. Whether you're a beginner or looking to enhance your skills, this tutorial will provide you with the knowledge you need.

Introduction
Network Protocols
Sockets
Practical Examples
Further Reading

Introduction

Network programming is the process of developing applications that communicate over a network. It involves understanding the underlying protocols and using appropriate programming languages and libraries to create these applications.

Network Protocols

Network protocols are a set of rules that govern the communication between devices on a network. Some common protocols include:

TCP (Transmission Control Protocol): Provides reliable, ordered, and error-checked delivery of a stream of bytes between applications running on hosts communicating over an IP network.
UDP (User Datagram Protocol): Offers a connectionless datagram service that provides a simple and efficient way to send data over a network.

Sockets

Sockets are the endpoints for communication between two machines on a network. They provide a way to establish a connection and exchange data. In most programming languages, sockets are represented by a file descriptor.

Creating a Socket

To create a socket, you can use the socket() function. Here's an example in Python:

import socket

# Create a TCP/IP socket
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

# Bind the socket to the port
server_address = ('localhost', 10000)
sock.bind(server_address)

# Listen for incoming connections
sock.listen(1)

Practical Examples

Here are a few practical examples of network programming:

HTTP Server: Create a simple HTTP server to serve web pages.
FTP Client: Write a client to upload and download files using the FTP protocol.
SMTP Client: Send email using the SMTP protocol.

For more examples, check out our network programming examples.